11656106534 has 16 divisors (see below), whose sum is σ = 17518213440. Its totient is φ = 5816715240.

The previous prime is 11656106489. The next prime is 11656106563. The reversal of 11656106534 is 43560165611.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2745017 + ... + 2749259.

It is an arithmetic number, because the mean of its divisors is an integer number (1094888340).

Almost surely, 2^11656106534 is an apocalyptic number.

11656106534 is a deficient number, since it is larger than the sum of its proper divisors (5862106906).

11656106534 is a wasteful number, since it uses less digits than its factorization.

11656106534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 11656106534 in words is "eleven billion, six hundred fifty-six million, one hundred six thousand, five hundred thirty-four".